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5681934 = 233432447
BaseRepresentation
bin10101101011001100001110
3101200200011000
4111223030032
52423310214
6321441130
766203256
oct25531416
911620130
105681934
113230a15
121aa01a6
13123c2bb
14a7c966
15773809
hex56b30e

5681934 has 32 divisors (see below), whose sum is σ = 12925440. Its totient is φ = 1849176.

The previous prime is 5681933. The next prime is 5681939. The reversal of 5681934 is 4391865.

5681934 is a `hidden beast` number, since 568 + 1 + 93 + 4 = 666.

5681934 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5681933) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1099 + ... + 3545.

It is an arithmetic number, because the mean of its divisors is an integer number (403920).

Almost surely, 25681934 is an apocalyptic number.

5681934 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 5681934, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6462720).

5681934 is an abundant number, since it is smaller than the sum of its proper divisors (7243506).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5681934 is a wasteful number, since it uses less digits than its factorization.

With its successor (5681935) it forms an eRAP, since the sums of their prime factors are consecutive (2501 and 2502).

5681934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2501 (or 2495 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 5681934 is about 2383.6807672170. The cubic root of 5681934 is about 178.4426763179.

The spelling of 5681934 in words is "five million, six hundred eighty-one thousand, nine hundred thirty-four".

Divisors: 1 2 3 6 9 18 27 43 54 86 129 258 387 774 1161 2322 2447 4894 7341 14682 22023 44046 66069 105221 132138 210442 315663 631326 946989 1893978 2840967 5681934